1) An elephant on steroids
2) Something that looks like a tusked mammal but is actually modeled after an AT-AT
3) A mumak in the language of the Haradrim
4) An "oiliphant" or an "oliphant" to those who can't spell
5) A wonder of Middle Earth, like Elves, that Sam always wanted to see
6) An opponent that, while bigger than Godzilla's left leg, still "only counts as one!"

"Grey as a mouse, Big as a house, Nose like a snake, I make the earth shake..."